Greenhouse Gas Calculator (2 of 2) (IMAGE) American Society of Agronomy Caption By reducing N fertilizer applications, the cropping system gained a 12 percent reduction in greenhouse gas fluxes. Credit Claire P. McSwiney Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.